HomeAir and Fuel Delivery > Electrical ConnectorsStandard Ignition SK21 Fuel Injector Connector
Part #: SK21

Standard Ignition SK21 Fuel Injector Connector

⚙️ 37 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Jaguar, Cadillac, Porsche, Mercedes-Benz, Volvo, BMW, Renault, Saab, and Volkswagen, XJS, Eldorado, Commercial Chassis, DeVille, Fleetwood, Seville, XJ12, Calais, 914, 450SE, 450SEL, 450SL, 450SLC, 164, 3.0CSi, R17, 99, 280, 280C, 280SE, 280SEL, 300SEL, 411, 412, Fastback, Squareback, and 350SL
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Reliable Fuel Injector Connector for Select Gas Vehicles

The Standard Ignition SK21 fuel injector connector is designed specifically for gas-powered vehicles, including Cadillac, Jaguar, and Mercedes-Benz models. This connector ensures a secure and efficient electrical connection for your fuel injectors, supporting optimal engine performance.

  • Compatible with Cadillac DeVille, Eldorado, Fleetwood, and Seville models
  • Fits Jaguar XJ12 and XJS vehicles
  • Designed for Mercedes-Benz 300SEL and Commercial Chassis
  • Part number SK21 for precise identification and fitment
  • Engineered for gas fuel systems to maintain reliable injector connections

Product Details and Specifications

The Standard Ignition SK21 fuel injector connector is an essential component in the air and fuel delivery system, providing a dependable electrical link to fuel injectors in gas-powered engines. This connector is manufactured to meet OEM standards, ensuring compatibility and durability across multiple vehicle makes and models. Its design supports consistent fuel injector operation, which is critical for maintaining engine efficiency and performance in Cadillac, Jaguar, and Mercedes-Benz vehicles.

Applications and Common Issues Addressed

  • Restores proper electrical connection to fuel injectors in Cadillac DeVille and Eldorado
  • Resolves intermittent injector signal problems in Jaguar XJ12 and XJS
  • Prevents fuel delivery interruptions in Mercedes-Benz 300SEL and Commercial Chassis
  • Eliminates corrosion-related connection failures in Fleetwood and Seville models
  • Supports stable injector operation to reduce engine misfires and rough idling

Installation Notes and Tips

When installing the Standard Ignition SK21 fuel injector connector, ensure the vehicle’s ignition is off and the battery is disconnected to prevent electrical hazards. Verify the connector matches the original part by comparing the part number SK21 and fitment with your vehicle’s specifications. Carefully secure the connector to the fuel injector terminals, avoiding excessive force to prevent damage. Inspect wiring harnesses for wear or corrosion before installation to ensure optimal performance.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM quality standards. The SK21 fuel injector connector undergoes rigorous testing to ensure reliable electrical performance and durability under typical operating conditions. This part is backed by a limited warranty, providing coverage against defects in materials and workmanship for a specified period. Refer to the warranty documentation for detailed terms and conditions.

BrandStandard Ignition
Part NumberSK21
Fuel TypeGas

This part fits 37 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1992JaguarXJS5.3LV12N/AQuantity Pack 1
1980CadillacEldorado5.7LV8N/AQuantity Pack 1
1979CadillacCommercial Chassis7.0LV8N/AQuantity Pack 1
1979CadillacDeVille7.0LV8N/AQuantity Pack 1
1979CadillacEldorado5.7LV8N/AQuantity Pack 1
1979CadillacFleetwood7.0LV8N/AQuantity Pack 1
1979CadillacSeville5.7LV8N/AQuantity Pack 1
1979JaguarXJ125.3LV12N/AQuantity Pack 1
1979JaguarXJS5.3LV12N/AQuantity Pack 1
1978CadillacCommercial Chassis7.0LV8N/AQuantity Pack 1
1978CadillacDeVilleN/AQuantity Pack 1
1978CadillacEldorado7.0LV8N/AQuantity Pack 1
1978CadillacFleetwood7.0LV8N/AQuantity Pack 1
1978CadillacSeville5.7LV8N/AQuantity Pack 1
1978JaguarXJ125.3LV12N/AQuantity Pack 1
1978JaguarXJS5.3LV12N/AQuantity Pack 1
1977CadillacCommercial ChassisN/AQuantity Pack 1
1977CadillacDeVille7.0LV8N/AQuantity Pack 1
1977CadillacEldorado7.0LV8N/AQuantity Pack 1
1977CadillacFleetwood7.0LV8N/AQuantity Pack 1
1977CadillacSeville5.7LV8N/AQuantity Pack 1
1977JaguarXJ125.3LV12N/AQuantity Pack 1
1976CadillacCommercial Chassis8.2LV8N/AQuantity Pack 1
1976CadillacDeVille8.2LV8N/AQuantity Pack 1
1976CadillacEldorado8.2LV8N/AQuantity Pack 1
1976CadillacFleetwood8.2LV8N/AQuantity Pack 1
1976CadillacSeville5.7LV8N/AQuantity Pack 1
1976JaguarXJ125.3LV12N/AQuantity Pack 1
1975CadillacCommercial Chassis8.2LV8N/AQuantity Pack 1
1975CadillacDeVille8.2LV8N/AQuantity Pack 1
1975CadillacEldorado8.2LV8N/AQuantity Pack 1
1975CadillacFleetwood8.2LV8N/AQuantity Pack 1
1975JaguarXJ125.3LV12N/AQuantity Pack 1
1973Mercedes-Benz300SEL4.5LV8N/AQuantity Pack 1
1972Mercedes-Benz300SEL4.5LV8N/AQuantity Pack 1
1971Mercedes-Benz300SEL3.5LV8N/AQuantity Pack 1
1970Mercedes-Benz300SEL3.5LV8N/AQuantity Pack 1

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

158-0014350-236800-941591H2WEC2014PT2100

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.